@article{KrammHerbert2009,
  author    = {Gerhard Kramm and Fritz Herbert},
  title     = {Similarity hypotheses for the atmospheric surface layer expressed by non-dimensional characteristic invariants - a review},
  journal   = {The open atmospheric science journal},
  volume    = {3},
  pages     = {48 -- 79},
  doi       = {10.2174/1874282300903010048},
  year      = {2009},
}